package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderInfo;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;

    //体检预约
    @Override
    public Result order(OrderInfo orderInfo) {
        //检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        Date orderDate = orderInfo.getOrderDate();//获取用户的预约日期
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(orderDate);
        if (orderSetting == null) {
            //指定日期没有进行预约设置,无法完成体检预约
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }

        //检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations(); //已预约人数
        if (reservations >= number) {
            //预约已满,不能预约
            return new Result(false, MessageConstant.ORDER_FULL);
        }

        //检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = orderInfo.getTelephone();//获取用户页面输入的手机号
        Member member = memberDao.findByTelephone(telephone);
        if (member != null) {
            //判断是否在重复预约
            Integer memberId = member.getId(); //获取会员id
            //orderDate = orderInfo.getOrderDate();//获取用户的预约日期
            Integer setmealId = orderInfo.getSetmealId(); //套餐id
            Order order = new Order(memberId, orderDate, setmealId);
            //根据条件进行查询
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {
                //说明用户在重复预约,无法完成再次预约
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }else {
            //检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            member = new Member();
            member.setName(orderInfo.getName());
            member.setPhoneNumber(telephone);
            member.setIdCard(orderInfo.getIdCard());
            member.setSex(orderInfo.getSex().toString());
            member.setRegTime(new Date());
            memberDao.add(member);
        }
        //预约成功，更新当日的已预约人数
        Order order = new Order();
        order.setMemberId(member.getId()); //设置会员ID
        order.setOrderDate(orderDate); //预约日期
        order.setOrderType(orderInfo.getOrderType()); //预约类型
        order.setOrderStatus(Order.ORDERSTATUS_NO); //到诊状态
        order.setSetmealId(orderInfo.getSetmealId()); //套餐ID
        orderDao.add(order);

        orderSetting.setReservations(orderSetting.getReservations() + 1); //设置已预约人数加1
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());

    }

    //根据id查询预约信息，包括体检人姓名,预约日期,套餐名称,预约类型
    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if (map != null) {
            //处理日期格式
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderInfo", DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
